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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (C) 2008-2009 Google Inc.<a name="line.2"></a>
<span class="sourceLineNo">003</span> * <a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed under the Apache License, Version 2.0 (the "License"); you may not<a name="line.4"></a>
<span class="sourceLineNo">005</span> * use this file except in compliance with the License. You may obtain a copy of<a name="line.5"></a>
<span class="sourceLineNo">006</span> * the License at<a name="line.6"></a>
<span class="sourceLineNo">007</span> * <a name="line.7"></a>
<span class="sourceLineNo">008</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<span class="sourceLineNo">009</span> * <a name="line.9"></a>
<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the<a name="line.12"></a>
<span class="sourceLineNo">013</span> * License for the specific language governing permissions and limitations under<a name="line.13"></a>
<span class="sourceLineNo">014</span> * the License.<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>package com.osfans.trime;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import android.content.res.ColorStateList;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import android.content.res.Resources;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import android.util.Log;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import android.view.KeyEvent;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import android.content.Context;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import android.content.res.TypedArray;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import android.graphics.Bitmap;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import android.graphics.Canvas;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import android.graphics.Paint;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import android.graphics.PorterDuff;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import android.graphics.Rect;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import android.graphics.Typeface;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import android.graphics.Paint.Align;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import android.graphics.Region.Op;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import android.graphics.drawable.Drawable;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import android.graphics.drawable.GradientDrawable;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import android.graphics.drawable.StateListDrawable;<a name="line.36"></a>
<span class="sourceLineNo">037</span><a name="line.37"></a>
<span class="sourceLineNo">038</span>//import android.inputmethodservice.Keyboard.Key;<a name="line.38"></a>
<span class="sourceLineNo">039</span>//import android.media.AudioManager;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import android.os.Handler;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import android.os.Message;<a name="line.41"></a>
<span class="sourceLineNo">042</span>//import android.os.UserHandle;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import android.provider.Settings;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import android.util.AttributeSet;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import android.util.TypedValue;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import android.view.GestureDetector;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import android.view.Gravity;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import android.view.LayoutInflater;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import android.view.MotionEvent;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import android.view.View;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import android.view.ViewConfiguration;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import android.view.ViewGroup.LayoutParams;<a name="line.52"></a>
<span class="sourceLineNo">053</span>//import android.view.accessibility.AccessibilityEvent;<a name="line.53"></a>
<span class="sourceLineNo">054</span>//import android.view.accessibility.AccessibilityManager;<a name="line.54"></a>
<span class="sourceLineNo">055</span>import android.widget.PopupWindow;<a name="line.55"></a>
<span class="sourceLineNo">056</span>import android.widget.TextView;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span>import android.os.Build.VERSION_CODES;<a name="line.58"></a>
<span class="sourceLineNo">059</span>import android.os.Build.VERSION;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span>//import com.android.internal.R;<a name="line.61"></a>
<span class="sourceLineNo">062</span><a name="line.62"></a>
<span class="sourceLineNo">063</span>import java.util.Arrays;<a name="line.63"></a>
<span class="sourceLineNo">064</span>import java.util.HashMap;<a name="line.64"></a>
<span class="sourceLineNo">065</span>import java.util.List;<a name="line.65"></a>
<span class="sourceLineNo">066</span>import java.util.Map;<a name="line.66"></a>
<span class="sourceLineNo">067</span>import java.lang.reflect.Method;<a name="line.67"></a>
<span class="sourceLineNo">068</span><a name="line.68"></a>
<span class="sourceLineNo">069</span>/** 顯示{@link Keyboard 鍵盤}及{@link Key 按鍵} */<a name="line.69"></a>
<span class="sourceLineNo">070</span>public class KeyboardView extends View implements View.OnClickListener {<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>    /** 處理按鍵、觸摸等輸入事件 */<a name="line.72"></a>
<span class="sourceLineNo">073</span>    public interface OnKeyboardActionListener {<a name="line.73"></a>
<span class="sourceLineNo">074</span>        <a name="line.74"></a>
<span class="sourceLineNo">075</span>        /**<a name="line.75"></a>
<span class="sourceLineNo">076</span>         * Called when the user presses a key. This is sent before the {@link #onKey} is called.<a name="line.76"></a>
<span class="sourceLineNo">077</span>         * For keys that repeat, this is only called once.<a name="line.77"></a>
<span class="sourceLineNo">078</span>         * @param primaryCode the unicode of the key being pressed. If the touch is not on a valid<a name="line.78"></a>
<span class="sourceLineNo">079</span>         * key, the value will be zero.<a name="line.79"></a>
<span class="sourceLineNo">080</span>         */<a name="line.80"></a>
<span class="sourceLineNo">081</span>        void onPress(int primaryCode);<a name="line.81"></a>
<span class="sourceLineNo">082</span>        <a name="line.82"></a>
<span class="sourceLineNo">083</span>        /**<a name="line.83"></a>
<span class="sourceLineNo">084</span>         * Called when the user releases a key. This is sent after the {@link #onKey} is called.<a name="line.84"></a>
<span class="sourceLineNo">085</span>         * For keys that repeat, this is only called once.<a name="line.85"></a>
<span class="sourceLineNo">086</span>         * @param primaryCode the code of the key that was released<a name="line.86"></a>
<span class="sourceLineNo">087</span>         */<a name="line.87"></a>
<span class="sourceLineNo">088</span>        void onRelease(int primaryCode);<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
<span class="sourceLineNo">090</span>        void onEvent(Event event);<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>        /**<a name="line.92"></a>
<span class="sourceLineNo">093</span>         * Send a key press to the listener.<a name="line.93"></a>
<span class="sourceLineNo">094</span>         * @param primaryCode this is the key that was pressed<a name="line.94"></a>
<span class="sourceLineNo">095</span>         * @param mask the codes for all the possible alternative keys<a name="line.95"></a>
<span class="sourceLineNo">096</span>         * with the primary code being the first. If the primary key code is<a name="line.96"></a>
<span class="sourceLineNo">097</span>         * a single character such as an alphabet or number or symbol, the alternatives<a name="line.97"></a>
<span class="sourceLineNo">098</span>         * will include other characters that may be on the same key or adjacent keys.<a name="line.98"></a>
<span class="sourceLineNo">099</span>         * These codes are useful to correct for accidental presses of a key adjacent to<a name="line.99"></a>
<span class="sourceLineNo">100</span>         * the intended key.<a name="line.100"></a>
<span class="sourceLineNo">101</span>         */<a name="line.101"></a>
<span class="sourceLineNo">102</span>        void onKey(int primaryCode, int mask);<a name="line.102"></a>
<span class="sourceLineNo">103</span><a name="line.103"></a>
<span class="sourceLineNo">104</span>        /**<a name="line.104"></a>
<span class="sourceLineNo">105</span>         * Sends a sequence of characters to the listener.<a name="line.105"></a>
<span class="sourceLineNo">106</span>         * @param text the sequence of characters to be displayed.<a name="line.106"></a>
<span class="sourceLineNo">107</span>         */<a name="line.107"></a>
<span class="sourceLineNo">108</span>        void onText(CharSequence text);<a name="line.108"></a>
<span class="sourceLineNo">109</span>        <a name="line.109"></a>
<span class="sourceLineNo">110</span>        /**<a name="line.110"></a>
<span class="sourceLineNo">111</span>         * Called when the user quickly moves the finger from right to left.<a name="line.111"></a>
<span class="sourceLineNo">112</span>         */<a name="line.112"></a>
<span class="sourceLineNo">113</span>        void swipeLeft();<a name="line.113"></a>
<span class="sourceLineNo">114</span>        <a name="line.114"></a>
<span class="sourceLineNo">115</span>        /**<a name="line.115"></a>
<span class="sourceLineNo">116</span>         * Called when the user quickly moves the finger from left to right.<a name="line.116"></a>
<span class="sourceLineNo">117</span>         */<a name="line.117"></a>
<span class="sourceLineNo">118</span>        void swipeRight();<a name="line.118"></a>
<span class="sourceLineNo">119</span>        <a name="line.119"></a>
<span class="sourceLineNo">120</span>        /**<a name="line.120"></a>
<span class="sourceLineNo">121</span>         * Called when the user quickly moves the finger from up to down.<a name="line.121"></a>
<span class="sourceLineNo">122</span>         */<a name="line.122"></a>
<span class="sourceLineNo">123</span>        void swipeDown();<a name="line.123"></a>
<span class="sourceLineNo">124</span>        <a name="line.124"></a>
<span class="sourceLineNo">125</span>        /**<a name="line.125"></a>
<span class="sourceLineNo">126</span>         * Called when the user quickly moves the finger from down to up.<a name="line.126"></a>
<span class="sourceLineNo">127</span>         */<a name="line.127"></a>
<span class="sourceLineNo">128</span>        void swipeUp();<a name="line.128"></a>
<span class="sourceLineNo">129</span>    }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span>    private static final boolean DEBUG = false;<a name="line.131"></a>
<span class="sourceLineNo">132</span>    private static final int NOT_A_KEY = -1;<a name="line.132"></a>
<span class="sourceLineNo">133</span>    private static final int[] LONG_PRESSABLE_STATE_SET = { android.R.attr.state_long_pressable };   <a name="line.133"></a>
<span class="sourceLineNo">134</span>    <a name="line.134"></a>
<span class="sourceLineNo">135</span>    private Keyboard mKeyboard;<a name="line.135"></a>
<span class="sourceLineNo">136</span>    private int mCurrentKeyIndex = NOT_A_KEY;<a name="line.136"></a>
<span class="sourceLineNo">137</span>    private int mLabelTextSize;<a name="line.137"></a>
<span class="sourceLineNo">138</span>    private int mKeyTextSize;<a name="line.138"></a>
<span class="sourceLineNo">139</span>    private ColorStateList mKeyTextColor;<a name="line.139"></a>
<span class="sourceLineNo">140</span>    private StateListDrawable mKeyBackColor;<a name="line.140"></a>
<span class="sourceLineNo">141</span>    private int key_symbol_color, hilited_key_symbol_color;<a name="line.141"></a>
<span class="sourceLineNo">142</span>    private int mSymbolSize;<a name="line.142"></a>
<span class="sourceLineNo">143</span>    private Paint mPaintSymbol;<a name="line.143"></a>
<span class="sourceLineNo">144</span>    private float mShadowRadius, mRoundCorner;<a name="line.144"></a>
<span class="sourceLineNo">145</span>    private int mShadowColor;<a name="line.145"></a>
<span class="sourceLineNo">146</span>    private float mBackgroundDimAmount;<a name="line.146"></a>
<span class="sourceLineNo">147</span>    <a name="line.147"></a>
<span class="sourceLineNo">148</span>    private TextView mPreviewText;<a name="line.148"></a>
<span class="sourceLineNo">149</span>    private PopupWindow mPreviewPopup;<a name="line.149"></a>
<span class="sourceLineNo">150</span>    private int mPreviewTextSizeLarge;<a name="line.150"></a>
<span class="sourceLineNo">151</span>    private int mPreviewOffset;<a name="line.151"></a>
<span class="sourceLineNo">152</span>    private int mPreviewHeight;<a name="line.152"></a>
<span class="sourceLineNo">153</span>    // Working variable<a name="line.153"></a>
<span class="sourceLineNo">154</span>    private final int[] mCoordinates = new int[2];<a name="line.154"></a>
<span class="sourceLineNo">155</span><a name="line.155"></a>
<span class="sourceLineNo">156</span>    private PopupWindow mPopupKeyboard;<a name="line.156"></a>
<span class="sourceLineNo">157</span>    private View mMiniKeyboardContainer;<a name="line.157"></a>
<span class="sourceLineNo">158</span>    private KeyboardView mMiniKeyboard;<a name="line.158"></a>
<span class="sourceLineNo">159</span>    private boolean mMiniKeyboardOnScreen;<a name="line.159"></a>
<span class="sourceLineNo">160</span>    private View mPopupParent;<a name="line.160"></a>
<span class="sourceLineNo">161</span>    private int mMiniKeyboardOffsetX;<a name="line.161"></a>
<span class="sourceLineNo">162</span>    private int mMiniKeyboardOffsetY;<a name="line.162"></a>
<span class="sourceLineNo">163</span>    private Map&lt;Key,View&gt; mMiniKeyboardCache;<a name="line.163"></a>
<span class="sourceLineNo">164</span>    private Key[] mKeys;<a name="line.164"></a>
<span class="sourceLineNo">165</span><a name="line.165"></a>
<span class="sourceLineNo">166</span>    /** Listener for {@link OnKeyboardActionListener}. */<a name="line.166"></a>
<span class="sourceLineNo">167</span>    private OnKeyboardActionListener mKeyboardActionListener;<a name="line.167"></a>
<span class="sourceLineNo">168</span>    <a name="line.168"></a>
<span class="sourceLineNo">169</span>    private static final int MSG_SHOW_PREVIEW = 1;<a name="line.169"></a>
<span class="sourceLineNo">170</span>    private static final int MSG_REMOVE_PREVIEW = 2;<a name="line.170"></a>
<span class="sourceLineNo">171</span>    private static final int MSG_REPEAT = 3;<a name="line.171"></a>
<span class="sourceLineNo">172</span>    private static final int MSG_LONGPRESS = 4;<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>    private static final int DELAY_BEFORE_PREVIEW = 0;<a name="line.174"></a>
<span class="sourceLineNo">175</span>    private static final int DELAY_AFTER_PREVIEW = 70;<a name="line.175"></a>
<span class="sourceLineNo">176</span>    private static final int DEBOUNCE_TIME = 70;<a name="line.176"></a>
<span class="sourceLineNo">177</span>    <a name="line.177"></a>
<span class="sourceLineNo">178</span>    private int mVerticalCorrection;<a name="line.178"></a>
<span class="sourceLineNo">179</span>    private int mProximityThreshold;<a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span>    private boolean mPreviewCentered = false;<a name="line.181"></a>
<span class="sourceLineNo">182</span>    private boolean mShowPreview = true;<a name="line.182"></a>
<span class="sourceLineNo">183</span>    private boolean mShowTouchPoints = true;<a name="line.183"></a>
<span class="sourceLineNo">184</span>    private int mPopupPreviewX;<a name="line.184"></a>
<span class="sourceLineNo">185</span>    private int mPopupPreviewY;<a name="line.185"></a>
<span class="sourceLineNo">186</span><a name="line.186"></a>
<span class="sourceLineNo">187</span>    private int mLastX;<a name="line.187"></a>
<span class="sourceLineNo">188</span>    private int mLastY;<a name="line.188"></a>
<span class="sourceLineNo">189</span>    private int mStartX;<a name="line.189"></a>
<span class="sourceLineNo">190</span>    private int mStartY;<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    private boolean mProximityCorrectOn;<a name="line.192"></a>
<span class="sourceLineNo">193</span>    <a name="line.193"></a>
<span class="sourceLineNo">194</span>    private Paint mPaint;<a name="line.194"></a>
<span class="sourceLineNo">195</span>    private Rect mPadding;<a name="line.195"></a>
<span class="sourceLineNo">196</span>    <a name="line.196"></a>
<span class="sourceLineNo">197</span>    private long mDownTime;<a name="line.197"></a>
<span class="sourceLineNo">198</span>    private long mLastMoveTime;<a name="line.198"></a>
<span class="sourceLineNo">199</span>    private int mLastKey;<a name="line.199"></a>
<span class="sourceLineNo">200</span>    private int mLastCodeX;<a name="line.200"></a>
<span class="sourceLineNo">201</span>    private int mLastCodeY;<a name="line.201"></a>
<span class="sourceLineNo">202</span>    private int mCurrentKey = NOT_A_KEY;<a name="line.202"></a>
<span class="sourceLineNo">203</span>    private int mDownKey = NOT_A_KEY;<a name="line.203"></a>
<span class="sourceLineNo">204</span>    private long mLastKeyTime;<a name="line.204"></a>
<span class="sourceLineNo">205</span>    private long mCurrentKeyTime;<a name="line.205"></a>
<span class="sourceLineNo">206</span>    private int[] mKeyIndices = new int[12];<a name="line.206"></a>
<span class="sourceLineNo">207</span>    private GestureDetector mGestureDetector;<a name="line.207"></a>
<span class="sourceLineNo">208</span>    private int mPopupX;<a name="line.208"></a>
<span class="sourceLineNo">209</span>    private int mPopupY;<a name="line.209"></a>
<span class="sourceLineNo">210</span>    private int mRepeatKeyIndex = NOT_A_KEY;<a name="line.210"></a>
<span class="sourceLineNo">211</span>    private int mPopupLayout;<a name="line.211"></a>
<span class="sourceLineNo">212</span>    private boolean mAbortKey;<a name="line.212"></a>
<span class="sourceLineNo">213</span>    private Key mInvalidatedKey;<a name="line.213"></a>
<span class="sourceLineNo">214</span>    private Rect mClipRegion = new Rect(0, 0, 0, 0);<a name="line.214"></a>
<span class="sourceLineNo">215</span>    private boolean mPossiblePoly;<a name="line.215"></a>
<span class="sourceLineNo">216</span>    private SwipeTracker mSwipeTracker = new SwipeTracker();<a name="line.216"></a>
<span class="sourceLineNo">217</span>    private int mSwipeThreshold;<a name="line.217"></a>
<span class="sourceLineNo">218</span>    private boolean mDisambiguateSwipe;<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>    // Variables for dealing with multiple pointers<a name="line.220"></a>
<span class="sourceLineNo">221</span>    private int mOldPointerCount = 1;<a name="line.221"></a>
<span class="sourceLineNo">222</span>    private int[] mComboCodes = new int[10];<a name="line.222"></a>
<span class="sourceLineNo">223</span>    private int mComboCount = 0;<a name="line.223"></a>
<span class="sourceLineNo">224</span>    private boolean mComboMode = false;<a name="line.224"></a>
<span class="sourceLineNo">225</span><a name="line.225"></a>
<span class="sourceLineNo">226</span>    private static int REPEAT_INTERVAL = 50; // ~20 keys per second<a name="line.226"></a>
<span class="sourceLineNo">227</span>    private static int REPEAT_START_DELAY = 400;<a name="line.227"></a>
<span class="sourceLineNo">228</span>    private static int LONGPRESS_TIMEOUT = ViewConfiguration.getLongPressTimeout();<a name="line.228"></a>
<span class="sourceLineNo">229</span><a name="line.229"></a>
<span class="sourceLineNo">230</span>    private static int MAX_NEARBY_KEYS = 12;<a name="line.230"></a>
<span class="sourceLineNo">231</span>    private int[] mDistances = new int[MAX_NEARBY_KEYS];<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span>    // For multi-tap<a name="line.233"></a>
<span class="sourceLineNo">234</span>    private int mLastSentIndex;<a name="line.234"></a>
<span class="sourceLineNo">235</span>    private int mTapCount;<a name="line.235"></a>
<span class="sourceLineNo">236</span>    private long mLastTapTime;<a name="line.236"></a>
<span class="sourceLineNo">237</span>    private boolean mInMultiTap;<a name="line.237"></a>
<span class="sourceLineNo">238</span>    private static int MULTITAP_INTERVAL = 800; // milliseconds<a name="line.238"></a>
<span class="sourceLineNo">239</span>    private StringBuilder mPreviewLabel = new StringBuilder(1);<a name="line.239"></a>
<span class="sourceLineNo">240</span><a name="line.240"></a>
<span class="sourceLineNo">241</span>    /** Whether the keyboard bitmap needs to be redrawn before it's blitted. **/<a name="line.241"></a>
<span class="sourceLineNo">242</span>    private boolean mDrawPending;<a name="line.242"></a>
<span class="sourceLineNo">243</span>    /** The dirty region in the keyboard bitmap */<a name="line.243"></a>
<span class="sourceLineNo">244</span>    private Rect mDirtyRect = new Rect();<a name="line.244"></a>
<span class="sourceLineNo">245</span>    /** The keyboard bitmap for faster updates */<a name="line.245"></a>
<span class="sourceLineNo">246</span>    private Bitmap mBuffer;<a name="line.246"></a>
<span class="sourceLineNo">247</span>    /** Notes if the keyboard just changed, so that we could possibly reallocate the mBuffer. */<a name="line.247"></a>
<span class="sourceLineNo">248</span>    private boolean mKeyboardChanged;<a name="line.248"></a>
<span class="sourceLineNo">249</span>    /** The canvas for the above mutable keyboard bitmap */<a name="line.249"></a>
<span class="sourceLineNo">250</span>    private Canvas mCanvas;<a name="line.250"></a>
<span class="sourceLineNo">251</span>    /** The accessibility manager for accessibility support */<a name="line.251"></a>
<span class="sourceLineNo">252</span>    //private AccessibilityManager mAccessibilityManager;<a name="line.252"></a>
<span class="sourceLineNo">253</span>    /** The audio manager for accessibility support */<a name="line.253"></a>
<span class="sourceLineNo">254</span>    //private AudioManager mAudioManager;<a name="line.254"></a>
<span class="sourceLineNo">255</span>    /** Whether the requirement of a headset to hear passwords if accessibility is enabled is announced. */<a name="line.255"></a>
<span class="sourceLineNo">256</span>    private boolean mHeadsetRequiredToHearPasswordsAnnounced;<a name="line.256"></a>
<span class="sourceLineNo">257</span><a name="line.257"></a>
<span class="sourceLineNo">258</span>    Method getStateDrawableIndex, getStateDrawable;<a name="line.258"></a>
<span class="sourceLineNo">259</span><a name="line.259"></a>
<span class="sourceLineNo">260</span>    Handler mHandler = new Handler() {<a name="line.260"></a>
<span class="sourceLineNo">261</span>        @Override<a name="line.261"></a>
<span class="sourceLineNo">262</span>        public void handleMessage(Message msg) {<a name="line.262"></a>
<span class="sourceLineNo">263</span>            switch (msg.what) {<a name="line.263"></a>
<span class="sourceLineNo">264</span>                case MSG_SHOW_PREVIEW:<a name="line.264"></a>
<span class="sourceLineNo">265</span>                    showKey(msg.arg1, msg.arg2);<a name="line.265"></a>
<span class="sourceLineNo">266</span>                    break;<a name="line.266"></a>
<span class="sourceLineNo">267</span>                case MSG_REMOVE_PREVIEW:<a name="line.267"></a>
<span class="sourceLineNo">268</span>                    mPreviewText.setVisibility(INVISIBLE);<a name="line.268"></a>
<span class="sourceLineNo">269</span>                    break;<a name="line.269"></a>
<span class="sourceLineNo">270</span>                case MSG_REPEAT:<a name="line.270"></a>
<span class="sourceLineNo">271</span>                    if (repeatKey()) {<a name="line.271"></a>
<span class="sourceLineNo">272</span>                        Message repeat = Message.obtain(this, MSG_REPEAT);<a name="line.272"></a>
<span class="sourceLineNo">273</span>                        sendMessageDelayed(repeat, REPEAT_INTERVAL);<a name="line.273"></a>
<span class="sourceLineNo">274</span>                    }<a name="line.274"></a>
<span class="sourceLineNo">275</span>                    break;<a name="line.275"></a>
<span class="sourceLineNo">276</span>                case MSG_LONGPRESS:<a name="line.276"></a>
<span class="sourceLineNo">277</span>                    openPopupIfRequired((MotionEvent) msg.obj);<a name="line.277"></a>
<span class="sourceLineNo">278</span>                    break;<a name="line.278"></a>
<span class="sourceLineNo">279</span>            }<a name="line.279"></a>
<span class="sourceLineNo">280</span>        }<a name="line.280"></a>
<span class="sourceLineNo">281</span>    };<a name="line.281"></a>
<span class="sourceLineNo">282</span><a name="line.282"></a>
<span class="sourceLineNo">283</span><a name="line.283"></a>
<span class="sourceLineNo">284</span>    public void reset() {<a name="line.284"></a>
<span class="sourceLineNo">285</span>        Config config = Config.get();<a name="line.285"></a>
<span class="sourceLineNo">286</span>        key_symbol_color = config.getColor("key_symbol_color");<a name="line.286"></a>
<span class="sourceLineNo">287</span>        hilited_key_symbol_color = config.getColor("hilited_key_symbol_color");<a name="line.287"></a>
<span class="sourceLineNo">288</span>        mShadowColor = config.getColor("shadow_color");<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
<span class="sourceLineNo">290</span>        mSymbolSize = config.getPixel("symbol_text_size");<a name="line.290"></a>
<span class="sourceLineNo">291</span>        mKeyTextSize = config.getPixel("key_text_size");<a name="line.291"></a>
<span class="sourceLineNo">292</span>        mVerticalCorrection = config.getPixel("vertical_correction");<a name="line.292"></a>
<span class="sourceLineNo">293</span>        setProximityCorrectionEnabled(config.getBoolean("proximity_correction"));<a name="line.293"></a>
<span class="sourceLineNo">294</span>        mPreviewOffset = config.getPixel("preview_offset");<a name="line.294"></a>
<span class="sourceLineNo">295</span>        mPreviewHeight = config.getPixel("preview_height");<a name="line.295"></a>
<span class="sourceLineNo">296</span>        mLabelTextSize = config.getPixel("key_long_text_size");<a name="line.296"></a>
<span class="sourceLineNo">297</span>        if (mLabelTextSize == 0) mLabelTextSize = mKeyTextSize;<a name="line.297"></a>
<span class="sourceLineNo">298</span><a name="line.298"></a>
<span class="sourceLineNo">299</span>        mBackgroundDimAmount = config.getFloat("background_dim_amount");<a name="line.299"></a>
<span class="sourceLineNo">300</span>        mShadowRadius = config.getFloat("shadow_radius");<a name="line.300"></a>
<span class="sourceLineNo">301</span>        mRoundCorner = config.getFloat("round_corner");<a name="line.301"></a>
<span class="sourceLineNo">302</span><a name="line.302"></a>
<span class="sourceLineNo">303</span>        mKeyBackColor = new StateListDrawable();<a name="line.303"></a>
<span class="sourceLineNo">304</span>        mKeyBackColor.addState(Key.KEY_STATE_PRESSED_ON, config.getColorDrawable("hilited_on_key_back_color"));<a name="line.304"></a>
<span class="sourceLineNo">305</span>        mKeyBackColor.addState(Key.KEY_STATE_PRESSED_OFF,config.getColorDrawable("hilited_off_key_back_color"));<a name="line.305"></a>
<span class="sourceLineNo">306</span>        mKeyBackColor.addState(Key.KEY_STATE_NORMAL_ON,config.getColorDrawable("on_key_back_color"));<a name="line.306"></a>
<span class="sourceLineNo">307</span>        mKeyBackColor.addState(Key.KEY_STATE_NORMAL_OFF,config.getColorDrawable("off_key_back_color"));<a name="line.307"></a>
<span class="sourceLineNo">308</span>        mKeyBackColor.addState(Key.KEY_STATE_PRESSED,config.getColorDrawable("hilited_key_back_color"));<a name="line.308"></a>
<span class="sourceLineNo">309</span>        mKeyBackColor.addState(Key.KEY_STATE_NORMAL,config.getColorDrawable("key_back_color"));<a name="line.309"></a>
<span class="sourceLineNo">310</span><a name="line.310"></a>
<span class="sourceLineNo">311</span>        mKeyTextColor = new ColorStateList(Key.KEY_STATES, new int[]{<a name="line.311"></a>
<span class="sourceLineNo">312</span>            config.getColor("hilited_on_key_text_color"),<a name="line.312"></a>
<span class="sourceLineNo">313</span>            config.getColor("hilited_off_key_text_color"),<a name="line.313"></a>
<span class="sourceLineNo">314</span>            config.getColor("on_key_text_color"),<a name="line.314"></a>
<span class="sourceLineNo">315</span>            config.getColor("off_key_text_color"),<a name="line.315"></a>
<span class="sourceLineNo">316</span>            config.getColor("hilited_key_text_color"),<a name="line.316"></a>
<span class="sourceLineNo">317</span>            config.getColor("key_text_color")<a name="line.317"></a>
<span class="sourceLineNo">318</span>        });<a name="line.318"></a>
<span class="sourceLineNo">319</span><a name="line.319"></a>
<span class="sourceLineNo">320</span>        Integer color = config.getColor("preview_text_color");<a name="line.320"></a>
<span class="sourceLineNo">321</span>        if (color != null) mPreviewText.setTextColor(color);<a name="line.321"></a>
<span class="sourceLineNo">322</span>        Integer previewBackColor = config.getColor("preview_back_color");<a name="line.322"></a>
<span class="sourceLineNo">323</span>        if (previewBackColor != null) {<a name="line.323"></a>
<span class="sourceLineNo">324</span>            if (VERSION.SDK_INT &gt;= VERSION_CODES.JELLY_BEAN) {<a name="line.324"></a>
<span class="sourceLineNo">325</span>              GradientDrawable background = new GradientDrawable();<a name="line.325"></a>
<span class="sourceLineNo">326</span>              background.setColor(previewBackColor);<a name="line.326"></a>
<span class="sourceLineNo">327</span>              background.setCornerRadius(mRoundCorner);<a name="line.327"></a>
<span class="sourceLineNo">328</span>              mPreviewText.setBackground(background);<a name="line.328"></a>
<span class="sourceLineNo">329</span>            } else {<a name="line.329"></a>
<span class="sourceLineNo">330</span>              mPreviewText.setBackgroundColor(previewBackColor); //不支持圓角<a name="line.330"></a>
<span class="sourceLineNo">331</span>            }<a name="line.331"></a>
<span class="sourceLineNo">332</span>        }<a name="line.332"></a>
<span class="sourceLineNo">333</span>        mPreviewTextSizeLarge = config.getInt("preview_text_size");<a name="line.333"></a>
<span class="sourceLineNo">334</span>        mPreviewText.setTextSize(mPreviewTextSizeLarge);<a name="line.334"></a>
<span class="sourceLineNo">335</span>        mShowPreview = config.getBoolean("show_preview");<a name="line.335"></a>
<span class="sourceLineNo">336</span>        setBackgroundDrawable(config.getColorDrawable("keyboard_back_color"));<a name="line.336"></a>
<span class="sourceLineNo">337</span><a name="line.337"></a>
<span class="sourceLineNo">338</span>        mPaint.setTypeface(config.getFont("key_font"));<a name="line.338"></a>
<span class="sourceLineNo">339</span>        mPaintSymbol.setTypeface(config.getFont("symbol_font"));<a name="line.339"></a>
<span class="sourceLineNo">340</span>        mPaintSymbol.setColor(key_symbol_color);<a name="line.340"></a>
<span class="sourceLineNo">341</span>        mPaintSymbol.setTextSize(mSymbolSize);<a name="line.341"></a>
<span class="sourceLineNo">342</span>        mPreviewText.setTypeface(config.getFont("preview_font"));<a name="line.342"></a>
<span class="sourceLineNo">343</span><a name="line.343"></a>
<span class="sourceLineNo">344</span>        REPEAT_INTERVAL = config.getInt("repeat_interval");<a name="line.344"></a>
<span class="sourceLineNo">345</span>        REPEAT_START_DELAY = config.getInt("repeat_start_delay");<a name="line.345"></a>
<span class="sourceLineNo">346</span>        LONGPRESS_TIMEOUT = config.getInt("longpress_timeout");<a name="line.346"></a>
<span class="sourceLineNo">347</span>        MULTITAP_INTERVAL = config.getInt("multitap_interval");<a name="line.347"></a>
<span class="sourceLineNo">348</span>        invalidateAllKeys();<a name="line.348"></a>
<span class="sourceLineNo">349</span>    }<a name="line.349"></a>
<span class="sourceLineNo">350</span><a name="line.350"></a>
<span class="sourceLineNo">351</span>    public KeyboardView(Context context, AttributeSet attrs) {<a name="line.351"></a>
<span class="sourceLineNo">352</span>        super(context, attrs);<a name="line.352"></a>
<span class="sourceLineNo">353</span><a name="line.353"></a>
<span class="sourceLineNo">354</span>        try {<a name="line.354"></a>
<span class="sourceLineNo">355</span>            getStateDrawableIndex = StateListDrawable.class.getMethod("getStateDrawableIndex", int[].class);<a name="line.355"></a>
<span class="sourceLineNo">356</span>            getStateDrawable = StateListDrawable.class.getMethod("getStateDrawable", int.class);<a name="line.356"></a>
<span class="sourceLineNo">357</span>        } catch (Exception ex){<a name="line.357"></a>
<span class="sourceLineNo">358</span>        }<a name="line.358"></a>
<span class="sourceLineNo">359</span><a name="line.359"></a>
<span class="sourceLineNo">360</span>        LayoutInflater inflate =<a name="line.360"></a>
<span class="sourceLineNo">361</span>                (LayoutInflater) context<a name="line.361"></a>
<span class="sourceLineNo">362</span>                        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);<a name="line.362"></a>
<span class="sourceLineNo">363</span>        mPreviewText = (TextView) inflate.inflate(R.layout.keyboard_key_preview, null);<a name="line.363"></a>
<span class="sourceLineNo">364</span>        mPaint = new Paint();<a name="line.364"></a>
<span class="sourceLineNo">365</span>        mPaint.setAntiAlias(true);<a name="line.365"></a>
<span class="sourceLineNo">366</span>        mPaint.setTextAlign(Align.CENTER);<a name="line.366"></a>
<span class="sourceLineNo">367</span>        mPaintSymbol = new Paint();<a name="line.367"></a>
<span class="sourceLineNo">368</span>        mPaintSymbol.setAntiAlias(true);<a name="line.368"></a>
<span class="sourceLineNo">369</span>        mPaintSymbol.setTextAlign(Align.CENTER);<a name="line.369"></a>
<span class="sourceLineNo">370</span>        reset();<a name="line.370"></a>
<span class="sourceLineNo">371</span><a name="line.371"></a>
<span class="sourceLineNo">372</span>        mPreviewPopup = new PopupWindow(context);<a name="line.372"></a>
<span class="sourceLineNo">373</span>        mPreviewPopup.setContentView(mPreviewText);<a name="line.373"></a>
<span class="sourceLineNo">374</span>        mPreviewPopup.setBackgroundDrawable(null);<a name="line.374"></a>
<span class="sourceLineNo">375</span>        mPreviewPopup.setTouchable(false);<a name="line.375"></a>
<span class="sourceLineNo">376</span><a name="line.376"></a>
<span class="sourceLineNo">377</span>        mPopupLayout = R.layout.keyboard_popup_keyboard;<a name="line.377"></a>
<span class="sourceLineNo">378</span>        mPopupKeyboard = new PopupWindow(context);<a name="line.378"></a>
<span class="sourceLineNo">379</span>        mPopupKeyboard.setBackgroundDrawable(null);<a name="line.379"></a>
<span class="sourceLineNo">380</span>        //mPopupKeyboard.setClippingEnabled(false);<a name="line.380"></a>
<span class="sourceLineNo">381</span>        <a name="line.381"></a>
<span class="sourceLineNo">382</span>        mPopupParent = this;<a name="line.382"></a>
<span class="sourceLineNo">383</span>        //mPredicting = true;<a name="line.383"></a>
<span class="sourceLineNo">384</span><a name="line.384"></a>
<span class="sourceLineNo">385</span>        mPadding = new Rect(0, 0, 0, 0);<a name="line.385"></a>
<span class="sourceLineNo">386</span>        mMiniKeyboardCache = new HashMap&lt;Key,View&gt;();<a name="line.386"></a>
<span class="sourceLineNo">387</span><a name="line.387"></a>
<span class="sourceLineNo">388</span>        mSwipeThreshold = (int) (500 * getResources().getDisplayMetrics().density);<a name="line.388"></a>
<span class="sourceLineNo">389</span>        mDisambiguateSwipe = true;<a name="line.389"></a>
<span class="sourceLineNo">390</span><a name="line.390"></a>
<span class="sourceLineNo">391</span>        resetMultiTap();<a name="line.391"></a>
<span class="sourceLineNo">392</span>        initGestureDetector();<a name="line.392"></a>
<span class="sourceLineNo">393</span>    }<a name="line.393"></a>
<span class="sourceLineNo">394</span><a name="line.394"></a>
<span class="sourceLineNo">395</span><a name="line.395"></a>
<span class="sourceLineNo">396</span>    private void initGestureDetector() {<a name="line.396"></a>
<span class="sourceLineNo">397</span>        mGestureDetector = new GestureDetector(getContext(), new GestureDetector.SimpleOnGestureListener() {<a name="line.397"></a>
<span class="sourceLineNo">398</span>            @Override<a name="line.398"></a>
<span class="sourceLineNo">399</span>            public boolean onFling(MotionEvent me1, MotionEvent me2, <a name="line.399"></a>
<span class="sourceLineNo">400</span>                    float velocityX, float velocityY) {<a name="line.400"></a>
<span class="sourceLineNo">401</span>                if (mPossiblePoly) return false;<a name="line.401"></a>
<span class="sourceLineNo">402</span>                final float absX = Math.abs(velocityX);<a name="line.402"></a>
<span class="sourceLineNo">403</span>                final float absY = Math.abs(velocityY);<a name="line.403"></a>
<span class="sourceLineNo">404</span>                float deltaX = me2.getX() - me1.getX();<a name="line.404"></a>
<span class="sourceLineNo">405</span>                float deltaY = me2.getY() - me1.getY();<a name="line.405"></a>
<span class="sourceLineNo">406</span>                int travelX = 0; //getWidth() / 2; // Half the keyboard width<a name="line.406"></a>
<span class="sourceLineNo">407</span>                int travelY = 0; //getHeight() / 2; // Half the keyboard height<a name="line.407"></a>
<span class="sourceLineNo">408</span>                mSwipeTracker.computeCurrentVelocity(10);<a name="line.408"></a>
<span class="sourceLineNo">409</span>                final float endingVelocityX = mSwipeTracker.getXVelocity();<a name="line.409"></a>
<span class="sourceLineNo">410</span>                final float endingVelocityY = mSwipeTracker.getYVelocity();<a name="line.410"></a>
<span class="sourceLineNo">411</span>                boolean sendDownKey = false;<a name="line.411"></a>
<span class="sourceLineNo">412</span>                int type = 0;<a name="line.412"></a>
<span class="sourceLineNo">413</span>                if (velocityX &gt; mSwipeThreshold &amp;&amp; absY &lt; absX &amp;&amp; deltaX &gt; travelX) {<a name="line.413"></a>
<span class="sourceLineNo">414</span>                    if (mDisambiguateSwipe &amp;&amp; endingVelocityX &lt; velocityX / 4) {<a name="line.414"></a>
<span class="sourceLineNo">415</span>                        sendDownKey = true;<a name="line.415"></a>
<span class="sourceLineNo">416</span>                        type = Key.SWIPE_RIGHT;<a name="line.416"></a>
<span class="sourceLineNo">417</span>                    } else {<a name="line.417"></a>
<span class="sourceLineNo">418</span>                        swipeRight();<a name="line.418"></a>
<span class="sourceLineNo">419</span>                        return true;<a name="line.419"></a>
<span class="sourceLineNo">420</span>                    }<a name="line.420"></a>
<span class="sourceLineNo">421</span>                } else if (velocityX &lt; -mSwipeThreshold &amp;&amp; absY &lt; absX &amp;&amp; deltaX &lt; -travelX) {<a name="line.421"></a>
<span class="sourceLineNo">422</span>                    if (mDisambiguateSwipe &amp;&amp; endingVelocityX &gt; velocityX / 4) {<a name="line.422"></a>
<span class="sourceLineNo">423</span>                        sendDownKey = true;<a name="line.423"></a>
<span class="sourceLineNo">424</span>                        type = Key.SWIPE_LEFT;<a name="line.424"></a>
<span class="sourceLineNo">425</span>                    } else {<a name="line.425"></a>
<span class="sourceLineNo">426</span>                        swipeLeft();<a name="line.426"></a>
<span class="sourceLineNo">427</span>                        return true;<a name="line.427"></a>
<span class="sourceLineNo">428</span>                    }<a name="line.428"></a>
<span class="sourceLineNo">429</span>                } else if (velocityY &lt; -mSwipeThreshold &amp;&amp; absX &lt; absY &amp;&amp; deltaY &lt; -travelY) {<a name="line.429"></a>
<span class="sourceLineNo">430</span>                    if (mDisambiguateSwipe &amp;&amp; endingVelocityY &gt; velocityY / 4) {<a name="line.430"></a>
<span class="sourceLineNo">431</span>                        sendDownKey = true;<a name="line.431"></a>
<span class="sourceLineNo">432</span>                        type = Key.SWIPE_UP;<a name="line.432"></a>
<span class="sourceLineNo">433</span>                    } else {<a name="line.433"></a>
<span class="sourceLineNo">434</span>                        swipeUp();<a name="line.434"></a>
<span class="sourceLineNo">435</span>                        return true;<a name="line.435"></a>
<span class="sourceLineNo">436</span>                    }<a name="line.436"></a>
<span class="sourceLineNo">437</span>                } else if (velocityY &gt; mSwipeThreshold &amp;&amp; absX &lt; absY / 2 &amp;&amp; deltaY &gt; travelY) {<a name="line.437"></a>
<span class="sourceLineNo">438</span>                    if (mDisambiguateSwipe &amp;&amp; endingVelocityY &lt; velocityY / 4) {<a name="line.438"></a>
<span class="sourceLineNo">439</span>                        sendDownKey = true;<a name="line.439"></a>
<span class="sourceLineNo">440</span>                        type = Key.SWIPE_DOWN;<a name="line.440"></a>
<span class="sourceLineNo">441</span>                    } else {<a name="line.441"></a>
<span class="sourceLineNo">442</span>                        swipeDown();<a name="line.442"></a>
<span class="sourceLineNo">443</span>                        return true;<a name="line.443"></a>
<span class="sourceLineNo">444</span>                    }<a name="line.444"></a>
<span class="sourceLineNo">445</span>                }<a name="line.445"></a>
<span class="sourceLineNo">446</span><a name="line.446"></a>
<span class="sourceLineNo">447</span>                if (sendDownKey) {<a name="line.447"></a>
<span class="sourceLineNo">448</span>                    showPreview(NOT_A_KEY);<a name="line.448"></a>
<span class="sourceLineNo">449</span>                    showPreview(mDownKey, type);<a name="line.449"></a>
<span class="sourceLineNo">450</span>                    detectAndSendKey(mDownKey, mStartX, mStartY, me1.getEventTime(), type);<a name="line.450"></a>
<span class="sourceLineNo">451</span>                    return true;<a name="line.451"></a>
<span class="sourceLineNo">452</span>                }<a name="line.452"></a>
<span class="sourceLineNo">453</span>                return false;<a name="line.453"></a>
<span class="sourceLineNo">454</span>            }<a name="line.454"></a>
<span class="sourceLineNo">455</span>        });<a name="line.455"></a>
<span class="sourceLineNo">456</span><a name="line.456"></a>
<span class="sourceLineNo">457</span>        mGestureDetector.setIsLongpressEnabled(false);<a name="line.457"></a>
<span class="sourceLineNo">458</span>    }<a name="line.458"></a>
<span class="sourceLineNo">459</span><a name="line.459"></a>
<span class="sourceLineNo">460</span>    public void setOnKeyboardActionListener(OnKeyboardActionListener listener) {<a name="line.460"></a>
<span class="sourceLineNo">461</span>        mKeyboardActionListener = listener;<a name="line.461"></a>
<span class="sourceLineNo">462</span>    }<a name="line.462"></a>
<span class="sourceLineNo">463</span><a name="line.463"></a>
<span class="sourceLineNo">464</span>    /**<a name="line.464"></a>
<span class="sourceLineNo">465</span>     * Returns the {@link OnKeyboardActionListener} object.<a name="line.465"></a>
<span class="sourceLineNo">466</span>     * @return the listener attached to this keyboard<a name="line.466"></a>
<span class="sourceLineNo">467</span>     */<a name="line.467"></a>
<span class="sourceLineNo">468</span>    protected OnKeyboardActionListener getOnKeyboardActionListener() {<a name="line.468"></a>
<span class="sourceLineNo">469</span>        return mKeyboardActionListener;<a name="line.469"></a>
<span class="sourceLineNo">470</span>    }<a name="line.470"></a>
<span class="sourceLineNo">471</span><a name="line.471"></a>
<span class="sourceLineNo">472</span>    /**<a name="line.472"></a>
<span class="sourceLineNo">473</span>     * Attaches a keyboard to this view. The keyboard can be switched at any time and the<a name="line.473"></a>
<span class="sourceLineNo">474</span>     * view will re-layout itself to accommodate the keyboard.<a name="line.474"></a>
<span class="sourceLineNo">475</span>     * @see Keyboard<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * @see #getKeyboard()<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * @param keyboard the keyboard to display in this view<a name="line.477"></a>
<span class="sourceLineNo">478</span>     */<a name="line.478"></a>
<span class="sourceLineNo">479</span>    public void setKeyboard(Keyboard keyboard) {<a name="line.479"></a>
<span class="sourceLineNo">480</span>        if (mKeyboard != null) {<a name="line.480"></a>
<span class="sourceLineNo">481</span>            showPreview(NOT_A_KEY);<a name="line.481"></a>
<span class="sourceLineNo">482</span>        }<a name="line.482"></a>
<span class="sourceLineNo">483</span>        // Remove any pending messages<a name="line.483"></a>
<span class="sourceLineNo">484</span>        removeMessages();<a name="line.484"></a>
<span class="sourceLineNo">485</span>        mRepeatKeyIndex = NOT_A_KEY;<a name="line.485"></a>
<span class="sourceLineNo">486</span>        mKeyboard = keyboard;<a name="line.486"></a>
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<span class="sourceLineNo">573</span>     * @see #setPreviewEnabled(boolean)<a name="line.573"></a>
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<span class="sourceLineNo">588</span>        mMiniKeyboardOffsetY = y;<a name="line.588"></a>
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<span class="sourceLineNo">593</span><a name="line.593"></a>
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<span class="sourceLineNo">595</span>     * When enabled, calls to {@link OnKeyboardActionListener#onKey} will include key<a name="line.595"></a>
<span class="sourceLineNo">596</span>     * codes for adjacent keys.  When disabled, only the primary key code will be<a name="line.596"></a>
<span class="sourceLineNo">597</span>     * reported.<a name="line.597"></a>
<span class="sourceLineNo">598</span>     * @param enabled whether or not the proximity correction is enabled<a name="line.598"></a>
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<span class="sourceLineNo">603</span><a name="line.603"></a>
<span class="sourceLineNo">604</span>    /**<a name="line.604"></a>
<span class="sourceLineNo">605</span>     * 檢查是否允許距離校正<a name="line.605"></a>
<span class="sourceLineNo">606</span>     * @return 是否允許距離校正<a name="line.606"></a>
<span class="sourceLineNo">607</span>     */<a name="line.607"></a>
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<span class="sourceLineNo">613</span>     * 關閉彈出鍵盤<a name="line.613"></a>
<span class="sourceLineNo">614</span>     * @param v 鍵盤視圖<a name="line.614"></a>
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<span class="sourceLineNo">620</span>    @Override<a name="line.620"></a>
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<span class="sourceLineNo">622</span>        // Round up a little<a name="line.622"></a>
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<span class="sourceLineNo">635</span>     * 計算水平和豎直方向的相鄰按鍵中心的平均距離的平方，這樣不需要做開方運算<a name="line.635"></a>
<span class="sourceLineNo">636</span>     * @param keyboard 鍵盤<a name="line.636"></a>
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<span class="sourceLineNo">640</span>        final Key[] keys = mKeys;<a name="line.640"></a>
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<span class="sourceLineNo">642</span>        int length = keys.length;<a name="line.642"></a>
<span class="sourceLineNo">643</span>        int dimensionSum = 0;<a name="line.643"></a>
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<span class="sourceLineNo">653</span>    @Override<a name="line.653"></a>
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<span class="sourceLineNo">678</span>                final int height = Math.max(1, getHeight());<a name="line.678"></a>
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<span class="sourceLineNo">734</span><a name="line.734"></a>
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<span class="sourceLineNo">736</span>            String label = key.getLabel();<a name="line.736"></a>
<span class="sourceLineNo">737</span>            String hint = key.hint;<a name="line.737"></a>
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<span class="sourceLineNo">739</span>            int top = padding.top;<a name="line.739"></a>
<span class="sourceLineNo">740</span>            <a name="line.740"></a>
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<span class="sourceLineNo">743</span>                    key.height != bounds.bottom) {<a name="line.743"></a>
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<span class="sourceLineNo">746</span>            canvas.translate(key.x + kbdPaddingLeft, key.y + kbdPaddingTop);<a name="line.746"></a>
<span class="sourceLineNo">747</span>            keyBackground.draw(canvas);<a name="line.747"></a>
<span class="sourceLineNo">748</span>            <a name="line.748"></a>
<span class="sourceLineNo">749</span>            if (!Function.isEmpty(label)) {<a name="line.749"></a>
<span class="sourceLineNo">750</span>                // For characters, use large font. For labels like "Done", use small font.<a name="line.750"></a>
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<span class="sourceLineNo">752</span>                  paint.setTextSize(key.key_text_size);<a name="line.752"></a>
<span class="sourceLineNo">753</span>                } else {<a name="line.753"></a>
<span class="sourceLineNo">754</span>                  paint.setTextSize(label.length() &gt; 1 ? mLabelTextSize: mKeyTextSize);<a name="line.754"></a>
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<span class="sourceLineNo">756</span>                // Draw a drop shadow for the text<a name="line.756"></a>
<span class="sourceLineNo">757</span>                paint.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);<a name="line.757"></a>
<span class="sourceLineNo">758</span>                // Draw the text<a name="line.758"></a>
<span class="sourceLineNo">759</span>                canvas.drawText(label, left,<a name="line.759"></a>
<span class="sourceLineNo">760</span>                    (key.height - padding.top - padding.bottom) / 2<a name="line.760"></a>
<span class="sourceLineNo">761</span>                            + (paint.getTextSize() - paint.descent()) / 2 + top,<a name="line.761"></a>
<span class="sourceLineNo">762</span>                    paint);<a name="line.762"></a>
<span class="sourceLineNo">763</span><a name="line.763"></a>
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<span class="sourceLineNo">766</span>                    mPaintSymbol.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);<a name="line.766"></a>
<span class="sourceLineNo">767</span>                    canvas.drawText(key.getSymbolLabel(), left, symbolBase, mPaintSymbol);<a name="line.767"></a>
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<span class="sourceLineNo">769</span><a name="line.769"></a>
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<span class="sourceLineNo">771</span>                    mPaintSymbol.setShadowLayer(mShadowRadius, 0, 0, mShadowColor);<a name="line.771"></a>
<span class="sourceLineNo">772</span>                    canvas.drawText(hint, left, key.height + hintBase, mPaintSymbol);<a name="line.772"></a>
<span class="sourceLineNo">773</span>                }<a name="line.773"></a>
<span class="sourceLineNo">774</span><a name="line.774"></a>
<span class="sourceLineNo">775</span>                // Turn off drop shadow<a name="line.775"></a>
<span class="sourceLineNo">776</span>                paint.setShadowLayer(0, 0, 0, 0);<a name="line.776"></a>
<span class="sourceLineNo">777</span>            }<a name="line.777"></a>
<span class="sourceLineNo">778</span>            canvas.translate(-key.x - kbdPaddingLeft, -key.y - kbdPaddingTop);<a name="line.778"></a>
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<span class="sourceLineNo">780</span>        mInvalidatedKey = null;<a name="line.780"></a>
<span class="sourceLineNo">781</span>        // Overlay a dark rectangle to dim the keyboard<a name="line.781"></a>
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<span class="sourceLineNo">783</span>            paint.setColor((int) (mBackgroundDimAmount * 0xFF) &lt;&lt; 24);<a name="line.783"></a>
<span class="sourceLineNo">784</span>            canvas.drawRect(0, 0, getWidth(), getHeight(), paint);<a name="line.784"></a>
<span class="sourceLineNo">785</span>        }<a name="line.785"></a>
<span class="sourceLineNo">786</span><a name="line.786"></a>
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<span class="sourceLineNo">788</span>            paint.setAlpha(128);<a name="line.788"></a>
<span class="sourceLineNo">789</span>            paint.setColor(0xFFFF0000);<a name="line.789"></a>
<span class="sourceLineNo">790</span>            canvas.drawCircle(mStartX, mStartY, 3, paint);<a name="line.790"></a>
<span class="sourceLineNo">791</span>            canvas.drawLine(mStartX, mStartY, mLastX, mLastY, paint);<a name="line.791"></a>
<span class="sourceLineNo">792</span>            paint.setColor(0xFF0000FF);<a name="line.792"></a>
<span class="sourceLineNo">793</span>            canvas.drawCircle(mLastX, mLastY, 3, paint);<a name="line.793"></a>
<span class="sourceLineNo">794</span>            paint.setColor(0xFF00FF00);<a name="line.794"></a>
<span class="sourceLineNo">795</span>            canvas.drawCircle((mStartX + mLastX) / 2, (mStartY + mLastY) / 2, 2, paint);<a name="line.795"></a>
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<span class="sourceLineNo">801</span><a name="line.801"></a>
<span class="sourceLineNo">802</span>    private int getKeyIndices(int x, int y, int[] allKeys) {<a name="line.802"></a>
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<span class="sourceLineNo">804</span>        int primaryIndex = NOT_A_KEY;<a name="line.804"></a>
<span class="sourceLineNo">805</span>        int closestKey = NOT_A_KEY;<a name="line.805"></a>
<span class="sourceLineNo">806</span>        int closestKeyDist = mProximityThreshold + 1;<a name="line.806"></a>
<span class="sourceLineNo">807</span>        java.util.Arrays.fill(mDistances, Integer.MAX_VALUE);<a name="line.807"></a>
<span class="sourceLineNo">808</span>        int [] nearestKeyIndices = mKeyboard.getNearestKeys(x, y);<a name="line.808"></a>
<span class="sourceLineNo">809</span>        final int keyCount = nearestKeyIndices.length;<a name="line.809"></a>
<span class="sourceLineNo">810</span>        for (int i = 0; i &lt; keyCount; i++) {<a name="line.810"></a>
<span class="sourceLineNo">811</span>            final Key key = keys[nearestKeyIndices[i]];<a name="line.811"></a>
<span class="sourceLineNo">812</span>            int dist = 0;<a name="line.812"></a>
<span class="sourceLineNo">813</span>            boolean isInside = key.isInside(x,y);<a name="line.813"></a>
<span class="sourceLineNo">814</span>            if (isInside) {<a name="line.814"></a>
<span class="sourceLineNo">815</span>                primaryIndex = nearestKeyIndices[i];<a name="line.815"></a>
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<span class="sourceLineNo">817</span><a name="line.817"></a>
<span class="sourceLineNo">818</span>            if ((mProximityCorrectOn <a name="line.818"></a>
<span class="sourceLineNo">819</span>                    &amp;&amp; (dist = key.squaredDistanceFrom(x, y)) &lt; mProximityThreshold) <a name="line.819"></a>
<span class="sourceLineNo">820</span>                    || isInside) {<a name="line.820"></a>
<span class="sourceLineNo">821</span>                // Find insertion point<a name="line.821"></a>
<span class="sourceLineNo">822</span>                final int nCodes = 1;<a name="line.822"></a>
<span class="sourceLineNo">823</span>                if (dist &lt; closestKeyDist) {<a name="line.823"></a>
<span class="sourceLineNo">824</span>                    closestKeyDist = dist;<a name="line.824"></a>
<span class="sourceLineNo">825</span>                    closestKey = nearestKeyIndices[i];<a name="line.825"></a>
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<span class="sourceLineNo">827</span>                <a name="line.827"></a>
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<span class="sourceLineNo">829</span>                <a name="line.829"></a>
<span class="sourceLineNo">830</span>                for (int j = 0; j &lt; mDistances.length; j++) {<a name="line.830"></a>
<span class="sourceLineNo">831</span>                    if (mDistances[j] &gt; dist) {<a name="line.831"></a>
<span class="sourceLineNo">832</span>                        // Make space for nCodes codes<a name="line.832"></a>
<span class="sourceLineNo">833</span>                        System.arraycopy(mDistances, j, mDistances, j + nCodes,<a name="line.833"></a>
<span class="sourceLineNo">834</span>                                mDistances.length - j - nCodes);<a name="line.834"></a>
<span class="sourceLineNo">835</span>                        System.arraycopy(allKeys, j, allKeys, j + nCodes,<a name="line.835"></a>
<span class="sourceLineNo">836</span>                                allKeys.length - j - nCodes);<a name="line.836"></a>
<span class="sourceLineNo">837</span>                        allKeys[j] = key.getCode();<a name="line.837"></a>
<span class="sourceLineNo">838</span>                        mDistances[j] = dist;<a name="line.838"></a>
<span class="sourceLineNo">839</span>                        break;<a name="line.839"></a>
<span class="sourceLineNo">840</span>                    }<a name="line.840"></a>
<span class="sourceLineNo">841</span>                }<a name="line.841"></a>
<span class="sourceLineNo">842</span>            }<a name="line.842"></a>
<span class="sourceLineNo">843</span>        }<a name="line.843"></a>
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<span class="sourceLineNo">845</span>            primaryIndex = closestKey;<a name="line.845"></a>
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<span class="sourceLineNo">849</span><a name="line.849"></a>
<span class="sourceLineNo">850</span>    private void releaseKey(int code) {<a name="line.850"></a>
<span class="sourceLineNo">851</span>        if (mComboMode) {<a name="line.851"></a>
<span class="sourceLineNo">852</span>            if (mComboCount &gt; 9 ) mComboCount = 9;<a name="line.852"></a>
<span class="sourceLineNo">853</span>            mComboCodes[mComboCount++] = code;<a name="line.853"></a>
<span class="sourceLineNo">854</span>        } else {<a name="line.854"></a>
<span class="sourceLineNo">855</span>            mKeyboardActionListener.onRelease(code);<a name="line.855"></a>
<span class="sourceLineNo">856</span>            if (mComboCount &gt; 0) {<a name="line.856"></a>
<span class="sourceLineNo">857</span>                for (int i = 0; i &lt; mComboCount; i++) {<a name="line.857"></a>
<span class="sourceLineNo">858</span>                    mKeyboardActionListener.onRelease(mComboCodes[i]);<a name="line.858"></a>
<span class="sourceLineNo">859</span>                }<a name="line.859"></a>
<span class="sourceLineNo">860</span>                mComboCount = 0;<a name="line.860"></a>
<span class="sourceLineNo">861</span>            }<a name="line.861"></a>
<span class="sourceLineNo">862</span>        }<a name="line.862"></a>
<span class="sourceLineNo">863</span>    }<a name="line.863"></a>
<span class="sourceLineNo">864</span><a name="line.864"></a>
<span class="sourceLineNo">865</span>    private void detectAndSendKey(int index, int x, int y, long eventTime, int type) {<a name="line.865"></a>
<span class="sourceLineNo">866</span>        if (index != NOT_A_KEY &amp;&amp; index &lt; mKeys.length) {<a name="line.866"></a>
<span class="sourceLineNo">867</span>            final Key key = mKeys[index];<a name="line.867"></a>
<span class="sourceLineNo">868</span>            if (key.isShift() &amp;&amp; !key.sendBindings()) {<a name="line.868"></a>
<span class="sourceLineNo">869</span>               setShifted(false, !isShifted());<a name="line.869"></a>
<span class="sourceLineNo">870</span>            } else {<a name="line.870"></a>
<span class="sourceLineNo">871</span>                int code = key.getCode(type);<a name="line.871"></a>
<span class="sourceLineNo">872</span>                //TextEntryState.keyPressedAt(key, x, y);<a name="line.872"></a>
<span class="sourceLineNo">873</span>                int[] codes = new int[MAX_NEARBY_KEYS];<a name="line.873"></a>
<span class="sourceLineNo">874</span>                Arrays.fill(codes, NOT_A_KEY);<a name="line.874"></a>
<span class="sourceLineNo">875</span>                getKeyIndices(x, y, codes);<a name="line.875"></a>
<span class="sourceLineNo">876</span>                mKeyboardActionListener.onEvent(key.getEvent(type));<a name="line.876"></a>
<span class="sourceLineNo">877</span>                releaseKey(code);<a name="line.877"></a>
<span class="sourceLineNo">878</span>                resetShifted();<a name="line.878"></a>
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<span class="sourceLineNo">880</span>            mLastSentIndex = index;<a name="line.880"></a>
<span class="sourceLineNo">881</span>            mLastTapTime = eventTime;<a name="line.881"></a>
<span class="sourceLineNo">882</span>        }<a name="line.882"></a>
<span class="sourceLineNo">883</span>    }<a name="line.883"></a>
<span class="sourceLineNo">884</span><a name="line.884"></a>
<span class="sourceLineNo">885</span>    private void detectAndSendKey(int index, int x, int y, long eventTime) {<a name="line.885"></a>
<span class="sourceLineNo">886</span>        detectAndSendKey(index, x, y, eventTime, 0);<a name="line.886"></a>
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<span class="sourceLineNo">888</span><a name="line.888"></a>
<span class="sourceLineNo">889</span>    private void showPreview(int keyIndex, int type) {<a name="line.889"></a>
<span class="sourceLineNo">890</span>        int oldKeyIndex = mCurrentKeyIndex;<a name="line.890"></a>
<span class="sourceLineNo">891</span>        final PopupWindow previewPopup = mPreviewPopup;<a name="line.891"></a>
<span class="sourceLineNo">892</span>        <a name="line.892"></a>
<span class="sourceLineNo">893</span>        mCurrentKeyIndex = keyIndex;<a name="line.893"></a>
<span class="sourceLineNo">894</span>        // Release the old key and press the new key<a name="line.894"></a>
<span class="sourceLineNo">895</span>        final Key[] keys = mKeys;<a name="line.895"></a>
<span class="sourceLineNo">896</span>        if (oldKeyIndex != mCurrentKeyIndex) {<a name="line.896"></a>
<span class="sourceLineNo">897</span>            if (oldKeyIndex != NOT_A_KEY &amp;&amp; keys.length &gt; oldKeyIndex) {<a name="line.897"></a>
<span class="sourceLineNo">898</span>                Key oldKey = keys[oldKeyIndex];<a name="line.898"></a>
<span class="sourceLineNo">899</span>                oldKey.onReleased(mCurrentKeyIndex == NOT_A_KEY);<a name="line.899"></a>
<span class="sourceLineNo">900</span>                invalidateKey(oldKeyIndex);<a name="line.900"></a>
<span class="sourceLineNo">901</span>            }<a name="line.901"></a>
<span class="sourceLineNo">902</span>            if (mCurrentKeyIndex != NOT_A_KEY &amp;&amp; keys.length &gt; mCurrentKeyIndex) {<a name="line.902"></a>
<span class="sourceLineNo">903</span>                Key newKey = keys[mCurrentKeyIndex];<a name="line.903"></a>
<span class="sourceLineNo">904</span>                newKey.onPressed();<a name="line.904"></a>
<span class="sourceLineNo">905</span>                invalidateKey(mCurrentKeyIndex);<a name="line.905"></a>
<span class="sourceLineNo">906</span>            }<a name="line.906"></a>
<span class="sourceLineNo">907</span>        }<a name="line.907"></a>
<span class="sourceLineNo">908</span>        // If key changed and preview is on ...<a name="line.908"></a>
<span class="sourceLineNo">909</span>        if (oldKeyIndex != mCurrentKeyIndex &amp;&amp; mShowPreview) {<a name="line.909"></a>
<span class="sourceLineNo">910</span>            mHandler.removeMessages(MSG_SHOW_PREVIEW);<a name="line.910"></a>
<span class="sourceLineNo">911</span>            if (previewPopup.isShowing()) {<a name="line.911"></a>
<span class="sourceLineNo">912</span>                if (keyIndex == NOT_A_KEY) {<a name="line.912"></a>
<span class="sourceLineNo">913</span>                    mHandler.sendMessageDelayed(mHandler<a name="line.913"></a>
<span class="sourceLineNo">914</span>                            .obtainMessage(MSG_REMOVE_PREVIEW),<a name="line.914"></a>
<span class="sourceLineNo">915</span>                            DELAY_AFTER_PREVIEW);<a name="line.915"></a>
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<span class="sourceLineNo">918</span>            if (keyIndex != NOT_A_KEY) {<a name="line.918"></a>
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<span class="sourceLineNo">921</span>                    showKey(keyIndex, type);<a name="line.921"></a>
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<span class="sourceLineNo">924</span>                            mHandler.obtainMessage(MSG_SHOW_PREVIEW, keyIndex, type),<a name="line.924"></a>
<span class="sourceLineNo">925</span>                            DELAY_BEFORE_PREVIEW);<a name="line.925"></a>
<span class="sourceLineNo">926</span>                }<a name="line.926"></a>
<span class="sourceLineNo">927</span>            }<a name="line.927"></a>
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<span class="sourceLineNo">930</span><a name="line.930"></a>
<span class="sourceLineNo">931</span><a name="line.931"></a>
<span class="sourceLineNo">932</span>    private void showPreview(int keyIndex) {<a name="line.932"></a>
<span class="sourceLineNo">933</span>        showPreview(keyIndex, 0);<a name="line.933"></a>
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<span class="sourceLineNo">935</span><a name="line.935"></a>
<span class="sourceLineNo">936</span>    private void showKey(final int keyIndex, int type) {<a name="line.936"></a>
<span class="sourceLineNo">937</span>        final PopupWindow previewPopup = mPreviewPopup;<a name="line.937"></a>
<span class="sourceLineNo">938</span>        final Key[] keys = mKeys;<a name="line.938"></a>
<span class="sourceLineNo">939</span>        if (keyIndex &lt; 0 || keyIndex &gt;= mKeys.length) return;<a name="line.939"></a>
<span class="sourceLineNo">940</span>        Key key = keys[keyIndex];<a name="line.940"></a>
<span class="sourceLineNo">941</span>        mPreviewText.setCompoundDrawables(null, null, null, null);<a name="line.941"></a>
<span class="sourceLineNo">942</span>        mPreviewText.setText(key.getPreviewText(type));<a name="line.942"></a>
<span class="sourceLineNo">943</span>        mPreviewText.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED), <a name="line.943"></a>
<span class="sourceLineNo">944</span>                MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));<a name="line.944"></a>
<span class="sourceLineNo">945</span>        int popupWidth = Math.max(mPreviewText.getMeasuredWidth(), key.width <a name="line.945"></a>
<span class="sourceLineNo">946</span>                + mPreviewText.getPaddingLeft() + mPreviewText.getPaddingRight());<a name="line.946"></a>
<span class="sourceLineNo">947</span>        final int popupHeight = mPreviewHeight;<a name="line.947"></a>
<span class="sourceLineNo">948</span>        LayoutParams lp = mPreviewText.getLayoutParams();<a name="line.948"></a>
<span class="sourceLineNo">949</span>        if (lp != null) {<a name="line.949"></a>
<span class="sourceLineNo">950</span>            lp.width = popupWidth;<a name="line.950"></a>
<span class="sourceLineNo">951</span>            lp.height = popupHeight;<a name="line.951"></a>
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<span class="sourceLineNo">953</span>        if (!mPreviewCentered) {<a name="line.953"></a>
<span class="sourceLineNo">954</span>            mPopupPreviewX = key.x - mPreviewText.getPaddingLeft() + getPaddingLeft();<a name="line.954"></a>
<span class="sourceLineNo">955</span>            mPopupPreviewY = key.y - popupHeight + mPreviewOffset;<a name="line.955"></a>
<span class="sourceLineNo">956</span>        } else {<a name="line.956"></a>
<span class="sourceLineNo">957</span>            // TODO: Fix this if centering is brought back<a name="line.957"></a>
<span class="sourceLineNo">958</span>            mPopupPreviewX = 160 - mPreviewText.getMeasuredWidth() / 2;<a name="line.958"></a>
<span class="sourceLineNo">959</span>            mPopupPreviewY = - mPreviewText.getMeasuredHeight();<a name="line.959"></a>
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<span class="sourceLineNo">961</span>        mHandler.removeMessages(MSG_REMOVE_PREVIEW);<a name="line.961"></a>
<span class="sourceLineNo">962</span>        getLocationInWindow(mCoordinates);<a name="line.962"></a>
<span class="sourceLineNo">963</span>        mCoordinates[0] += mMiniKeyboardOffsetX; // Offset may be zero<a name="line.963"></a>
<span class="sourceLineNo">964</span>        mCoordinates[1] += mMiniKeyboardOffsetY; // Offset may be zero<a name="line.964"></a>
<span class="sourceLineNo">965</span><a name="line.965"></a>
<span class="sourceLineNo">966</span>        // Set the preview background state<a name="line.966"></a>
<span class="sourceLineNo">967</span>        mPreviewText.getBackground().setState(<a name="line.967"></a>
<span class="sourceLineNo">968</span>                key.popupResId != 0 ? LONG_PRESSABLE_STATE_SET : EMPTY_STATE_SET);<a name="line.968"></a>
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<span class="sourceLineNo">970</span>        mPopupPreviewY += mCoordinates[1];<a name="line.970"></a>
<span class="sourceLineNo">971</span><a name="line.971"></a>
<span class="sourceLineNo">972</span>        // If the popup cannot be shown above the key, put it on the side<a name="line.972"></a>
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<span class="sourceLineNo">974</span>        if (mPopupPreviewY + mCoordinates[1] &lt; 0) {<a name="line.974"></a>
<span class="sourceLineNo">975</span>            // If the key you're pressing is on the left side of the keyboard, show the popup on<a name="line.975"></a>
<span class="sourceLineNo">976</span>            // the right, offset by enough to see at least one key to the left/right.<a name="line.976"></a>
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<span class="sourceLineNo">979</span>            } else {<a name="line.979"></a>
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<span class="sourceLineNo">981</span>            }<a name="line.981"></a>
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<span class="sourceLineNo">984</span><a name="line.984"></a>
<span class="sourceLineNo">985</span>        if (previewPopup.isShowing()) {<a name="line.985"></a>
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<span class="sourceLineNo">987</span>                    popupWidth, popupHeight);<a name="line.987"></a>
<span class="sourceLineNo">988</span>        } else {<a name="line.988"></a>
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<span class="sourceLineNo">990</span>            previewPopup.setHeight(popupHeight);<a name="line.990"></a>
<span class="sourceLineNo">991</span>            previewPopup.showAtLocation(mPopupParent, Gravity.NO_GRAVITY, <a name="line.991"></a>
<span class="sourceLineNo">992</span>                    mPopupPreviewX, mPopupPreviewY);<a name="line.992"></a>
<span class="sourceLineNo">993</span>        }<a name="line.993"></a>
<span class="sourceLineNo">994</span>        mPreviewText.setVisibility(VISIBLE);<a name="line.994"></a>
<span class="sourceLineNo">995</span>    }<a name="line.995"></a>
<span class="sourceLineNo">996</span><a name="line.996"></a>
<span class="sourceLineNo">997</span>    /**<a name="line.997"></a>
<span class="sourceLineNo">998</span>     * Requests a redraw of the entire keyboard. Calling {@link #invalidate} is not sufficient<a name="line.998"></a>
<span class="sourceLineNo">999</span>     * because the keyboard renders the keys to an off-screen buffer and an invalidate() only <a name="line.999"></a>
<span class="sourceLineNo">1000</span>     * draws the cached buffer.<a name="line.1000"></a>
<span class="sourceLineNo">1001</span>     * @see #invalidateKey(int)<a name="line.1001"></a>
<span class="sourceLineNo">1002</span>     */<a name="line.1002"></a>
<span class="sourceLineNo">1003</span>    public void invalidateAllKeys() {<a name="line.1003"></a>
<span class="sourceLineNo">1004</span>        mDirtyRect.union(0, 0, getWidth(), getHeight());<a name="line.1004"></a>
<span class="sourceLineNo">1005</span>        mDrawPending = true;<a name="line.1005"></a>
<span class="sourceLineNo">1006</span>        invalidate();<a name="line.1006"></a>
<span class="sourceLineNo">1007</span>    }<a name="line.1007"></a>
<span class="sourceLineNo">1008</span><a name="line.1008"></a>
<span class="sourceLineNo">1009</span>    /**<a name="line.1009"></a>
<span class="sourceLineNo">1010</span>     * Invalidates a key so that it will be redrawn on the next repaint. Use this method if only<a name="line.1010"></a>
<span class="sourceLineNo">1011</span>     * one key is changing it's content. Any changes that affect the position or size of the key<a name="line.1011"></a>
<span class="sourceLineNo">1012</span>     * may not be honored.<a name="line.1012"></a>
<span class="sourceLineNo">1013</span>     * @param keyIndex the index of the key in the attached {@link Keyboard}.<a name="line.1013"></a>
<span class="sourceLineNo">1014</span>     * @see #invalidateAllKeys<a name="line.1014"></a>
<span class="sourceLineNo">1015</span>     */<a name="line.1015"></a>
<span class="sourceLineNo">1016</span>    public void invalidateKey(int keyIndex) {<a name="line.1016"></a>
<span class="sourceLineNo">1017</span>        if (mKeys == null) return;<a name="line.1017"></a>
<span class="sourceLineNo">1018</span>        if (keyIndex &lt; 0 || keyIndex &gt;= mKeys.length) {<a name="line.1018"></a>
<span class="sourceLineNo">1019</span>            return;<a name="line.1019"></a>
<span class="sourceLineNo">1020</span>        }<a name="line.1020"></a>
<span class="sourceLineNo">1021</span>        final Key key = mKeys[keyIndex];<a name="line.1021"></a>
<span class="sourceLineNo">1022</span>        mInvalidatedKey = key;<a name="line.1022"></a>
<span class="sourceLineNo">1023</span>        mDirtyRect.union(key.x + getPaddingLeft(), key.y + getPaddingTop(), <a name="line.1023"></a>
<span class="sourceLineNo">1024</span>                key.x + key.width + getPaddingLeft(), key.y + key.height + getPaddingTop());<a name="line.1024"></a>
<span class="sourceLineNo">1025</span>        onBufferDraw();<a name="line.1025"></a>
<span class="sourceLineNo">1026</span>        invalidate(key.x + getPaddingLeft(), key.y + getPaddingTop(), <a name="line.1026"></a>
<span class="sourceLineNo">1027</span>                key.x + key.width + getPaddingLeft(), key.y + key.height + getPaddingTop());<a name="line.1027"></a>
<span class="sourceLineNo">1028</span>    }<a name="line.1028"></a>
<span class="sourceLineNo">1029</span><a name="line.1029"></a>
<span class="sourceLineNo">1030</span>    public void invalidateKeys(List&lt;Key&gt; keys) {<a name="line.1030"></a>
<span class="sourceLineNo">1031</span>      if (keys == null || keys.size() == 0) return;<a name="line.1031"></a>
<span class="sourceLineNo">1032</span>      for (Key key: keys) {<a name="line.1032"></a>
<span class="sourceLineNo">1033</span>        mDirtyRect.union(key.x + getPaddingLeft(), key.y + getPaddingTop(), <a name="line.1033"></a>
<span class="sourceLineNo">1034</span>                key.x + key.width + getPaddingLeft(), key.y + key.height + getPaddingTop());<a name="line.1034"></a>
<span class="sourceLineNo">1035</span>      }<a name="line.1035"></a>
<span class="sourceLineNo">1036</span>      onBufferDraw();<a name="line.1036"></a>
<span class="sourceLineNo">1037</span>      invalidate();<a name="line.1037"></a>
<span class="sourceLineNo">1038</span>    }<a name="line.1038"></a>
<span class="sourceLineNo">1039</span><a name="line.1039"></a>
<span class="sourceLineNo">1040</span>    public void invalidateComposingKeys() {<a name="line.1040"></a>
<span class="sourceLineNo">1041</span>      List&lt;Key&gt; keys = mKeyboard.getComposingKeys();<a name="line.1041"></a>
<span class="sourceLineNo">1042</span>      if (keys != null &amp;&amp; keys.size() &gt; 5) invalidateAllKeys();<a name="line.1042"></a>
<span class="sourceLineNo">1043</span>      else invalidateKeys(keys);<a name="line.1043"></a>
<span class="sourceLineNo">1044</span>    }<a name="line.1044"></a>
<span class="sourceLineNo">1045</span><a name="line.1045"></a>
<span class="sourceLineNo">1046</span>    private boolean openPopupIfRequired(MotionEvent me) {<a name="line.1046"></a>
<span class="sourceLineNo">1047</span>        // Check if we have a popup layout specified first.<a name="line.1047"></a>
<span class="sourceLineNo">1048</span>        if (mPopupLayout == 0) {<a name="line.1048"></a>
<span class="sourceLineNo">1049</span>            return false;<a name="line.1049"></a>
<span class="sourceLineNo">1050</span>        }<a name="line.1050"></a>
<span class="sourceLineNo">1051</span>        if (mCurrentKey &lt; 0 || mCurrentKey &gt;= mKeys.length) {<a name="line.1051"></a>
<span class="sourceLineNo">1052</span>            return false;<a name="line.1052"></a>
<span class="sourceLineNo">1053</span>        }<a name="line.1053"></a>
<span class="sourceLineNo">1054</span>        showPreview(NOT_A_KEY);<a name="line.1054"></a>
<span class="sourceLineNo">1055</span>        showPreview(mCurrentKey, Key.LONG_CLICK);<a name="line.1055"></a>
<span class="sourceLineNo">1056</span>        Key popupKey = mKeys[mCurrentKey];<a name="line.1056"></a>
<span class="sourceLineNo">1057</span>        boolean result = onLongPress(popupKey);<a name="line.1057"></a>
<span class="sourceLineNo">1058</span>        if (result) {<a name="line.1058"></a>
<span class="sourceLineNo">1059</span>            mAbortKey = true;<a name="line.1059"></a>
<span class="sourceLineNo">1060</span>            showPreview(NOT_A_KEY);<a name="line.1060"></a>
<span class="sourceLineNo">1061</span>        }<a name="line.1061"></a>
<span class="sourceLineNo">1062</span>        return result;<a name="line.1062"></a>
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<span class="sourceLineNo">1064</span><a name="line.1064"></a>
<span class="sourceLineNo">1065</span>    /**<a name="line.1065"></a>
<span class="sourceLineNo">1066</span>     * Called when a key is long pressed. By default this will open any popup keyboard associated<a name="line.1066"></a>
<span class="sourceLineNo">1067</span>     * with this key through the attributes popupLayout and popupCharacters.<a name="line.1067"></a>
<span class="sourceLineNo">1068</span>     * @param popupKey the key that was long pressed<a name="line.1068"></a>
<span class="sourceLineNo">1069</span>     * @return true if the long press is handled, false otherwise. Subclasses should call the<a name="line.1069"></a>
<span class="sourceLineNo">1070</span>     * method on the base class if the subclass doesn't wish to handle the call.<a name="line.1070"></a>
<span class="sourceLineNo">1071</span>     */<a name="line.1071"></a>
<span class="sourceLineNo">1072</span>    protected boolean onLongPress(Key popupKey) {<a name="line.1072"></a>
<span class="sourceLineNo">1073</span>        int popupKeyboardId = popupKey.popupResId;<a name="line.1073"></a>
<span class="sourceLineNo">1074</span><a name="line.1074"></a>
<span class="sourceLineNo">1075</span>        if (popupKeyboardId != 0) {<a name="line.1075"></a>
<span class="sourceLineNo">1076</span>            mMiniKeyboardContainer = mMiniKeyboardCache.get(popupKey);<a name="line.1076"></a>
<span class="sourceLineNo">1077</span>            if (mMiniKeyboardContainer == null) {<a name="line.1077"></a>
<span class="sourceLineNo">1078</span>                LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(<a name="line.1078"></a>
<span class="sourceLineNo">1079</span>                        Context.LAYOUT_INFLATER_SERVICE);<a name="line.1079"></a>
<span class="sourceLineNo">1080</span>                mMiniKeyboardContainer = inflater.inflate(mPopupLayout, null);<a name="line.1080"></a>
<span class="sourceLineNo">1081</span>                mMiniKeyboard = (KeyboardView) mMiniKeyboardContainer.findViewById(<a name="line.1081"></a>
<span class="sourceLineNo">1082</span>                        android.R.id.keyboardView);<a name="line.1082"></a>
<span class="sourceLineNo">1083</span>                View closeButton = mMiniKeyboardContainer.findViewById(<a name="line.1083"></a>
<span class="sourceLineNo">1084</span>                        android.R.id.closeButton);<a name="line.1084"></a>
<span class="sourceLineNo">1085</span>                if (closeButton != null) closeButton.setOnClickListener(this);<a name="line.1085"></a>
<span class="sourceLineNo">1086</span>                mMiniKeyboard.setOnKeyboardActionListener(new OnKeyboardActionListener() {<a name="line.1086"></a>
<span class="sourceLineNo">1087</span>                    public void onEvent(Event event) {<a name="line.1087"></a>
<span class="sourceLineNo">1088</span>                        mKeyboardActionListener.onEvent(event);<a name="line.1088"></a>
<span class="sourceLineNo">1089</span>                        dismissPopupKeyboard();<a name="line.1089"></a>
<span class="sourceLineNo">1090</span>                    }<a name="line.1090"></a>
<span class="sourceLineNo">1091</span>                    public void onKey(int primaryCode, int mask) {<a name="line.1091"></a>
<span class="sourceLineNo">1092</span>                        mKeyboardActionListener.onKey(primaryCode, mask);<a name="line.1092"></a>
<span class="sourceLineNo">1093</span>                        dismissPopupKeyboard();<a name="line.1093"></a>
<span class="sourceLineNo">1094</span>                    }<a name="line.1094"></a>
<span class="sourceLineNo">1095</span>                    <a name="line.1095"></a>
<span class="sourceLineNo">1096</span>                    public void onText(CharSequence text) {<a name="line.1096"></a>
<span class="sourceLineNo">1097</span>                        mKeyboardActionListener.onText(text);<a name="line.1097"></a>
<span class="sourceLineNo">1098</span>                        dismissPopupKeyboard();<a name="line.1098"></a>
<span class="sourceLineNo">1099</span>                    }<a name="line.1099"></a>
<span class="sourceLineNo">1100</span>                    <a name="line.1100"></a>
<span class="sourceLineNo">1101</span>                    public void swipeLeft() { }<a name="line.1101"></a>
<span class="sourceLineNo">1102</span>                    public void swipeRight() { }<a name="line.1102"></a>
<span class="sourceLineNo">1103</span>                    public void swipeUp() { }<a name="line.1103"></a>
<span class="sourceLineNo">1104</span>                    public void swipeDown() { }<a name="line.1104"></a>
<span class="sourceLineNo">1105</span>                    public void onPress(int primaryCode) {<a name="line.1105"></a>
<span class="sourceLineNo">1106</span>                        mKeyboardActionListener.onPress(primaryCode);<a name="line.1106"></a>
<span class="sourceLineNo">1107</span>                    }<a name="line.1107"></a>
<span class="sourceLineNo">1108</span>                    public void onRelease(int primaryCode) {<a name="line.1108"></a>
<span class="sourceLineNo">1109</span>                        mKeyboardActionListener.onRelease(primaryCode);<a name="line.1109"></a>
<span class="sourceLineNo">1110</span>                    }<a name="line.1110"></a>
<span class="sourceLineNo">1111</span>                });<a name="line.1111"></a>
<span class="sourceLineNo">1112</span>                //mInputView.setSuggest(mSuggest);<a name="line.1112"></a>
<span class="sourceLineNo">1113</span>                Keyboard keyboard;<a name="line.1113"></a>
<span class="sourceLineNo">1114</span>                if (popupKey.popupCharacters != null) {<a name="line.1114"></a>
<span class="sourceLineNo">1115</span>                    keyboard = new Keyboard(getContext(), popupKey.popupCharacters, -1, getPaddingLeft() + getPaddingRight());<a name="line.1115"></a>
<span class="sourceLineNo">1116</span>                } else {<a name="line.1116"></a>
<span class="sourceLineNo">1117</span>                    keyboard = new Keyboard(getContext());<a name="line.1117"></a>
<span class="sourceLineNo">1118</span>                }<a name="line.1118"></a>
<span class="sourceLineNo">1119</span>                mMiniKeyboard.setKeyboard(keyboard);<a name="line.1119"></a>
<span class="sourceLineNo">1120</span>                mMiniKeyboard.setPopupParent(this);<a name="line.1120"></a>
<span class="sourceLineNo">1121</span>                mMiniKeyboardContainer.measure(<a name="line.1121"></a>
<span class="sourceLineNo">1122</span>                        MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.AT_MOST), <a name="line.1122"></a>
<span class="sourceLineNo">1123</span>                        MeasureSpec.makeMeasureSpec(getHeight(), MeasureSpec.AT_MOST));<a name="line.1123"></a>
<span class="sourceLineNo">1124</span>                <a name="line.1124"></a>
<span class="sourceLineNo">1125</span>                mMiniKeyboardCache.put(popupKey, mMiniKeyboardContainer);<a name="line.1125"></a>
<span class="sourceLineNo">1126</span>            } else {<a name="line.1126"></a>
<span class="sourceLineNo">1127</span>                mMiniKeyboard = (KeyboardView) mMiniKeyboardContainer.findViewById(<a name="line.1127"></a>
<span class="sourceLineNo">1128</span>                        android.R.id.keyboardView);<a name="line.1128"></a>
<span class="sourceLineNo">1129</span>            }<a name="line.1129"></a>
<span class="sourceLineNo">1130</span>            getLocationInWindow(mCoordinates);<a name="line.1130"></a>
<span class="sourceLineNo">1131</span>            mPopupX = popupKey.x + getPaddingLeft();<a name="line.1131"></a>
<span class="sourceLineNo">1132</span>            mPopupY = popupKey.y + getPaddingTop();<a name="line.1132"></a>
<span class="sourceLineNo">1133</span>            mPopupX = mPopupX + popupKey.width - mMiniKeyboardContainer.getMeasuredWidth();<a name="line.1133"></a>
<span class="sourceLineNo">1134</span>            mPopupY = mPopupY - mMiniKeyboardContainer.getMeasuredHeight();<a name="line.1134"></a>
<span class="sourceLineNo">1135</span>            final int x = mPopupX + mMiniKeyboardContainer.getPaddingRight() + mCoordinates[0];<a name="line.1135"></a>
<span class="sourceLineNo">1136</span>            final int y = mPopupY + mMiniKeyboardContainer.getPaddingBottom() + mCoordinates[1];<a name="line.1136"></a>
<span class="sourceLineNo">1137</span>            mMiniKeyboard.setPopupOffset(x &lt; 0 ? 0 : x, y);<a name="line.1137"></a>
<span class="sourceLineNo">1138</span>            mMiniKeyboard.setShifted(false, isShifted());<a name="line.1138"></a>
<span class="sourceLineNo">1139</span>            mPopupKeyboard.setContentView(mMiniKeyboardContainer);<a name="line.1139"></a>
<span class="sourceLineNo">1140</span>            mPopupKeyboard.setWidth(mMiniKeyboardContainer.getMeasuredWidth());<a name="line.1140"></a>
<span class="sourceLineNo">1141</span>            mPopupKeyboard.setHeight(mMiniKeyboardContainer.getMeasuredHeight());<a name="line.1141"></a>
<span class="sourceLineNo">1142</span>            mPopupKeyboard.showAtLocation(this, Gravity.NO_GRAVITY, x, y);<a name="line.1142"></a>
<span class="sourceLineNo">1143</span>            mMiniKeyboardOnScreen = true;<a name="line.1143"></a>
<span class="sourceLineNo">1144</span>            //mMiniKeyboard.onTouchEvent(getTranslatedEvent(me));<a name="line.1144"></a>
<span class="sourceLineNo">1145</span>            invalidateAllKeys();<a name="line.1145"></a>
<span class="sourceLineNo">1146</span>            return true;<a name="line.1146"></a>
<span class="sourceLineNo">1147</span>        } else {<a name="line.1147"></a>
<span class="sourceLineNo">1148</span>            Key key = popupKey;<a name="line.1148"></a>
<span class="sourceLineNo">1149</span>            if (key.getClick().repeatable) return false;<a name="line.1149"></a>
<span class="sourceLineNo">1150</span>            if (key.getLongClick() != null) {<a name="line.1150"></a>
<span class="sourceLineNo">1151</span>              mKeyboardActionListener.onEvent(key.getLongClick());<a name="line.1151"></a>
<span class="sourceLineNo">1152</span>              return true;<a name="line.1152"></a>
<span class="sourceLineNo">1153</span>            }<a name="line.1153"></a>
<span class="sourceLineNo">1154</span>            if (key.isShift()) {<a name="line.1154"></a>
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<span class="sourceLineNo">1156</span>              return true;<a name="line.1156"></a>
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<span class="sourceLineNo">1159</span>        return false;<a name="line.1159"></a>
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<span class="sourceLineNo">1161</span><a name="line.1161"></a>
<span class="sourceLineNo">1162</span>/*<a name="line.1162"></a>
<span class="sourceLineNo">1163</span>    @Override<a name="line.1163"></a>
<span class="sourceLineNo">1164</span>    public boolean onHoverEvent(MotionEvent event) {<a name="line.1164"></a>
<span class="sourceLineNo">1165</span>        if (mAccessibilityManager.isTouchExplorationEnabled() &amp;&amp; event.getPointerCount() == 1) {<a name="line.1165"></a>
<span class="sourceLineNo">1166</span>            final int action = event.getAction();<a name="line.1166"></a>
<span class="sourceLineNo">1167</span>            switch (action) {<a name="line.1167"></a>
<span class="sourceLineNo">1168</span>                case MotionEvent.ACTION_HOVER_ENTER: {<a name="line.1168"></a>
<span class="sourceLineNo">1169</span>                    event.setAction(MotionEvent.ACTION_DOWN);<a name="line.1169"></a>
<span class="sourceLineNo">1170</span>                } break;<a name="line.1170"></a>
<span class="sourceLineNo">1171</span>                case MotionEvent.ACTION_HOVER_MOVE: {<a name="line.1171"></a>
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<span class="sourceLineNo">1173</span>                } break;<a name="line.1173"></a>
<span class="sourceLineNo">1174</span>                case MotionEvent.ACTION_HOVER_EXIT: {<a name="line.1174"></a>
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<span class="sourceLineNo">1177</span>            }<a name="line.1177"></a>
<span class="sourceLineNo">1178</span>            return onTouchEvent(event);<a name="line.1178"></a>
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<span class="sourceLineNo">1180</span>        return true;<a name="line.1180"></a>
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<span class="sourceLineNo">1442</span>        mTapCount = 0;<a name="line.1442"></a>
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<span class="sourceLineNo">1457</span><a name="line.1457"></a>
<span class="sourceLineNo">1458</span>        static final int NUM_PAST = 4;<a name="line.1458"></a>
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<span class="sourceLineNo">1503</span>                System.arraycopy(pastY, start, pastY, 0, count);<a name="line.1503"></a>
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<span class="sourceLineNo">1521</span>            final float[] pastX = mPastX;<a name="line.1521"></a>
<span class="sourceLineNo">1522</span>            final float[] pastY = mPastY;<a name="line.1522"></a>
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<span class="sourceLineNo">1524</span><a name="line.1524"></a>
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<span class="sourceLineNo">1543</span>                if (accumX == 0) accumX = vel;<a name="line.1543"></a>
<span class="sourceLineNo">1544</span>                else accumX = (accumX + vel) * .5f;<a name="line.1544"></a>
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<span class="sourceLineNo">1546</span>                dist = pastY[i] - oldestY;<a name="line.1546"></a>
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<span class="sourceLineNo">1548</span>                if (accumY == 0) accumY = vel;<a name="line.1548"></a>
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<span class="sourceLineNo">1551</span>            mXVelocity = accumX &lt; 0.0f ? Math.max(accumX, -maxVelocity)<a name="line.1551"></a>
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<span class="sourceLineNo">1553</span>            mYVelocity = accumY &lt; 0.0f ? Math.max(accumY, -maxVelocity)<a name="line.1553"></a>
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<span class="sourceLineNo">1556</span><a name="line.1556"></a>
<span class="sourceLineNo">1557</span>        public float getXVelocity() {<a name="line.1557"></a>
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<span class="sourceLineNo">1561</span>        public float getYVelocity() {<a name="line.1561"></a>
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<span class="sourceLineNo">1563</span>        }<a name="line.1563"></a>
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<span class="sourceLineNo">1565</span>}<a name="line.1565"></a>




























































</pre>
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